Add support for @semanticNonNull#4401
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NonNullableFieldValidator — method details
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bbakerman
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Jun 4, 2026
bbakerman
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Jun 4, 2026
bbakerman
reviewed
Jun 4, 2026
bbakerman
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Jun 4, 2026
| def schema1 = schema(""" | ||
| type Query { | ||
| foo(arg: Int): String | ||
| foo(arg: Float): String |
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Ah yes, sorry should have left a comment there. This is because the @semanticNonNull directive definition now puts the Int type by defaults in all schemas. So it's either we change to float, or we check operations.size() == 3 just below.
Since this class is about testing schema diffs, I thought keeping the diff as large as possible was the best way forward.
bbakerman
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@semanticNonNullis the counterpart ofonError.onErroris aimed to be merged in the spec and allow new services to use true nullability (!) without conflating nulls and errors.@semanticNonNullis for the transition. It allows existing services that cannot change fields to non-nullable (!) because that would increase the blast radius of errors for older clients to still signal semantic nullability to newer clients.See the
@semanticNonNullGAP for more details.